nitrofurantoin??? UTI? Safe?

So I have a UTI... Didn't know I did.. Ob office called and said I did so they prescribed me Nitrofurantoin! I just hate to take anything only being 9 weeks Pg! This is my 3rd child and this time around I'm so scared. Ive read things saying don't take it during first trimester and then Ive seen things saying it safe. Ugh I don't know how I'm going to even get this down! I cant seem to keep anything down lately! What to do....?

Its pregnancy category B, which means its safe in pregnancy. Also, the body doesn't absorb it systemically. It stays in the urinary track. I recommend taking it. It would be bad I'd the infection gets worse and spreads from the bladder to the kidneys. As a pharmacist, I'll say that I believe its the safest antibiotic you can take in pregnancy

I did actually dig up the original study from the CDC when researching this. I got the Dr to prescribe me a 'cillin instead. I just didn't want to take the risk. The amoxicillin cleared the UTI up no problem.